MQTT not recognising Mosquitto Broker

I’ve got MQTT installed and Mosquitto Broker, but if I fill in ‘mosquitto’ in the MQTT configuration it’s not recognised.

I’d be grateful for some help, please!

Jim

(I had a HA installation a few years ago, but configuration of some integrations in the latest incarnation seems more trickiy!)

You need to put the hostname/IP address of the computer running Moquitto in the MQTT configuration.

Isn’t it core-mosquitto ?

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it’s safer, and doesn’t rely on DNS / mDNS working properly - to just use localhost if it’s running on the same machine.

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A few ideas to try:

If this helps, :heart: this post!

localhost did it (why isn’t it in the docs?)

Thanks “Ander Jones” and others who made suggestions.

Jim

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